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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 13 — Jul. 1, 2006
  • pp: 2012–2014

Characterization of a near-room-temperature, continuous-wave quantum cascade laser for long-term, unattended monitoring of nitric oxide in the atmosphere

David D. Nelson, J. Barry McManus, Scott C. Herndon, Joanne H. Shorter, Mark S. Zahniser, Stéphane Blaser, Lubos Hvozdara, Antoine Muller, Marcella Giovannini, and Jérôme Faist  »View Author Affiliations


Optics Letters, Vol. 31, Issue 13, pp. 2012-2014 (2006)
http://dx.doi.org/10.1364/OL.31.002012


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Abstract

We report on power, spectral linewidth, and mode purity for a cw 5.3 μ m quantum cascade laser operated on a thermo-electric cooler. A totally noncryogenic nitric oxide monitor was constructed by integrating this laser with an astigmatic multipass cell and a thermo-electrically cooled infrared detector. The resulting instrument is capable of continuous unattended monitoring of ambient, atmospheric nitric oxide for several weeks with no operator intervention. The detection method was rapid sweep, direct absorption spectroscopy. A detection sensitivity of 0.03 parts in 10 9 is achieved with 30 s averaging time with a path length of 210 m , corresponding to an absorbance path length product of 1.5 × 10 10 cm 1 .

© 2006 Optical Society of America

OCIS Codes
(010.1120) Atmospheric and oceanic optics : Air pollution monitoring
(140.5960) Lasers and laser optics : Semiconductor lasers

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: March 24, 2006
Manuscript Accepted: April 17, 2006

Virtual Issues
Vol. 1, Iss. 8 Virtual Journal for Biomedical Optics

Citation
David D. Nelson, J. Barry McManus, Scott C. Herndon, Joanne H. Shorter, Mark S. Zahniser, Stéphane Blaser, Lubos Hvozdara, Antoine Muller, Marcella Giovannini, and Jérôme Faist, "Characterization of a near-room-temperature, continuous-wave quantum cascade laser for long-term, unattended monitoring of nitric oxide in the atmosphere," Opt. Lett. 31, 2012-2014 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-13-2012

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